Semiconductor Display Materials

1. Physicochemical Properties

• Structure: A bicyclohexane framework with a butyl group at the 4-position and a propyl group at the 4′-position, both in the trans configuration.

Key Characteristics:

The dual alkyl substitutions (butyl and propyl) contribute to the compound’s hydrophobicity and steric bulk.

The trans configuration enhances structural rigidity, potentially useful in materials requiring defined molecular orientations.

• Analogous Compounds: Similar structures like trans,trans-4-(4-fluorophenyl)-4′-propylbicyclohexyl (CAS: 82832-27-7) provide insights into physicochemical properties, such as melting points (e.g., 71°C) and boiling points (e.g., 388.7±21.0°C).

2. Synthesis Method

The compound is likely synthesized via Williamson reactions or similar nucleophilic substitution reactions. This involves reacting a bicyclohexane precursor with alkyl halides (e.g., butyl iodide and propyl iodide) in the presence of a strong base. The synthesis may require:

• Purification: Chromatography or recrystallization to isolate the trans,trans isomer.
• Optimized Conditions: Careful control of reaction temperature and stoichiometry to achieve high yields.

3. Applications

• Liquid Crystals: The rigid bicyclohexane structure and dual alkyl substitutions make it a candidate for liquid crystal materials, where it could influence molecular alignment and optical properties.
• Materials Science: Potential use in polymers or coatings due to its bulky structure and hydrophobicity.
• Organic Synthesis: A useful building block for synthesizing more complex molecules with defined steric and electronic properties.

4. Safety Information

• Handling: Follow standard chemical safety protocols (e.g., use gloves, goggles, and fume hoods). Avoid skin contact and inhalation.
• Storage: Keep in a cool, dry place, away from oxidants and strong acids.
• Disposal: Consult local regulations for hazardous waste disposal.

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